51382671 has 4 divisors (see below), whose sum is σ = 68510232. Its totient is φ = 34255112.

The previous prime is 51382663. The next prime is 51382673. The reversal of 51382671 is 17628315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51382671 - 2³ = 51382663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51382673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8563776 + ... + 8563781.

It is an arithmetic number, because the mean of its divisors is an integer number (17127558).

Almost surely, 2^51382671 is an apocalyptic number.

51382671 is a deficient number, since it is larger than the sum of its proper divisors (17127561).

51382671 is a wasteful number, since it uses less digits than its factorization.

51382671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17127560.

The product of its digits is 10080, while the sum is 33.

The square root of 51382671 is about 7168.1706871419. The cubic root of 51382671 is about 371.7681886213.

The spelling of 51382671 in words is "fifty-one million, three hundred eighty-two thousand, six hundred seventy-one".